63318775 has 12 divisors (see below), whose sum is σ = 84555352. Its totient is φ = 46758240.

The previous prime is 63318763. The next prime is 63318781. The reversal of 63318775 is 57781336.

It is not a de Polignac number, because 63318775 - 2⁵ = 63318743 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97089 + ... + 97738.

Almost surely, 2^63318775 is an apocalyptic number.

63318775 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63318775 is a deficient number, since it is larger than the sum of its proper divisors (21236577).

63318775 is a wasteful number, since it uses less digits than its factorization.

63318775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194850 (or 194845 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 63318775 is about 7957.3095327504. The cubic root of 63318775 is about 398.5757158057.

The spelling of 63318775 in words is "sixty-three million, three hundred eighteen thousand, seven hundred seventy-five".